531303233225 has 48 divisors (see below), whose sum is σ = 710138548224. Its totient is φ = 393169128000.

The previous prime is 531303233221. The next prime is 531303233231. The reversal of 531303233225 is 522332303135.

It is not a de Polignac number, because 531303233225 - 2² = 531303233221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531303233191 and 531303233200.

It is not an unprimeable number, because it can be changed into a prime (531303233221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27137690 + ... + 27157260.

It is an arithmetic number, because the mean of its divisors is an integer number (14794553088).

Almost surely, 2^531303233225 is an apocalyptic number.

It is an amenable number.

531303233225 is a deficient number, since it is larger than the sum of its proper divisors (178835314999).

531303233225 is a wasteful number, since it uses less digits than its factorization.

531303233225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21158 (or 21153 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 32.

The spelling of 531303233225 in words is "five hundred thirty-one billion, three hundred three million, two hundred thirty-three thousand, two hundred twenty-five".